[PATCH 1/6] arm64: dts: freescale: imx8mm-phyboard-polis: Add TPM node
Cem Tenruh
c.tenruh at phytec.de
Fri Jun 16 02:50:06 PDT 2023
From: Yashwanth Varakala <y.varakala at phytec.de>
Add TPM node for phyBOARD-Polis i.MX 8M Mini which has the Infineon-SLB
9670 TPM2.0 module populated.
Signed-off-by: Yashwanth Varakala <y.varakala at phytec.de>
Signed-off-by: Yannic Moog <y.moog at phytec.de>
Signed-off-by: Cem Tenruh <c.tenruh at phytec.de>
---
.../freescale/imx8mm-phyboard-polis-rdk.dts | 36 +++++++++++++++++++
1 file changed, 36 insertions(+)
diff --git a/arch/arm64/boot/dts/freescale/imx8mm-phyboard-polis-rdk.dts b/arch/arm64/boot/dts/freescale/imx8mm-phyboard-polis-rdk.dts
index 03e7679217b2..cfb811091b77 100644
--- a/arch/arm64/boot/dts/freescale/imx8mm-phyboard-polis-rdk.dts
+++ b/arch/arm64/boot/dts/freescale/imx8mm-phyboard-polis-rdk.dts
@@ -140,6 +140,27 @@ can0: can at 0 {
};
};
+/* TPM */
+&ecspi2 {
+ cs-gpios = <&gpio5 13 GPIO_ACTIVE_LOW>;
+ fsl,spi-num-chipselects = <1>;
+ pinctrl-names = "default";
+ pinctrl-0 = <&pinctrl_ecspi2>;
+ #address-cells = <1>;
+ #size-cells = <0>;
+ status = "okay";
+
+ tpm: tpm at 0 {
+ compatible = "infineon,slb9670", "tcg,tpm_tis-spi";
+ interrupt-parent = <&gpio2>;
+ interrupts = <11 IRQ_TYPE_LEVEL_LOW>;
+ pinctrl-names = "default";
+ pinctrl-0 = <&pinctrl_tpm>;
+ reg = <0>;
+ spi-max-frequency = <43000000>;
+ };
+};
+
&gpio1 {
gpio-line-names = "nINT_ETHPHY", "LED_RED", "WDOG_INT", "X_RTC_INT",
"", "", "", "RESET_ETHPHY",
@@ -333,6 +354,15 @@ MX8MM_IOMUXC_ECSPI1_SS0_GPIO5_IO9 0x00
>;
};
+ pinctrl_ecspi2: ecspi2grp {
+ fsl,pins = <
+ MX8MM_IOMUXC_ECSPI2_MISO_ECSPI2_MISO 0x80
+ MX8MM_IOMUXC_ECSPI2_MOSI_ECSPI2_MOSI 0x80
+ MX8MM_IOMUXC_ECSPI2_SCLK_ECSPI2_SCLK 0x80
+ MX8MM_IOMUXC_ECSPI2_SS0_GPIO5_IO13 0x00
+ >;
+ };
+
pinctrl_fan: fan0grp {
fsl,pins = <
MX8MM_IOMUXC_SAI1_RXD6_GPIO4_IO8 0x16
@@ -368,6 +398,12 @@ MX8MM_IOMUXC_SD2_RESET_B_GPIO2_IO19 0x40
>;
};
+ pinctrl_tpm: tpmgrp {
+ fsl,pins = <
+ MX8MM_IOMUXC_SD1_STROBE_GPIO2_IO11 0x140
+ >;
+ };
+
pinctrl_uart1: uart1grp {
fsl,pins = <
MX8MM_IOMUXC_SAI2_RXC_UART1_DCE_RX 0x00
--
2.25.1
More information about the linux-arm-kernel
mailing list